Finding the Fourth Proportional to 3,501.57, 4,831.89 and 1,929.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.57 : 4,831.89 = 1,929.67 : x
2. Step 2: Convert to fraction form
   3,501.57/4,831.89 = 1,929.67/x
3. Step 3: Cross multiply
   3,501.57x = 4,831.89 × 1,929.67
4. Step 4: Simplify right side
   3,501.57x = 9,323,933.86
5. Step 5: Solve for x
   x = 9,323,933.86/3,501.57
6. Step 6: Final answer
   x = 2,662.78